If you eat and drink too much, you are ______ to give yourself stomach trouble.
| A．possible |
| B．probable |
| C．likely |
| D．surely |
If penicillin _____________ available, many people ______________ from sickness.
| A．weren’t , would have died | B．shouldn’t be, would die |
| C．hadn’t been, would have died | D．is, will die |
Another drug that has helped improve people’s health is penicillin, _________ is _________ by many _________ one of the most important medicines.
| A．which, considered, being | B．that, considering, been |
| C．that, to consider, being | D．which, considered, to be |
Not only _____________ vital for reducing fever, but __________ also other things that it can help with.
| A．aspirin has proved, are there | B．has aspirin proved, there are |
| C．has proved aspirin, are there | D．aspirin had proved, there are |
People drank a kind of tea _________ from leaves _________ a special chemical to reduce body pains and fever.
| A．making , possessed | B．made , possessing |
| C．having made, possessed | D．having been made, possessing |
Nowadays, many teenagers__________ themselves to the computer games, which made them ___________ from the society.
| A．cancel, benefit | B．desert, leave | C．quit, range | D．abandon, withdraw |